| 'use strict'; |
| |
| exports.type = 'perItem'; |
| |
| exports.active = true; |
| |
| exports.description = 'removes elements in <defs> without id'; |
| |
| var nonRendering = require('./_collections').elemsGroups.nonRendering; |
| |
| /** |
| * Removes content of defs and properties that aren't rendered directly without ids. |
| * |
| * @param {Object} item current iteration item |
| * @return {Boolean} if false, item will be filtered out |
| * |
| * @author Lev Solntsev |
| */ |
| exports.fn = function(item) { |
| |
| if (item.isElem('defs')) { |
| |
| if (item.content) { |
| item.content = getUsefulItems(item, []); |
| } |
| |
| if (item.isEmpty()) return false; |
| |
| } else if (item.isElem(nonRendering) && !item.hasAttr('id')) { |
| |
| return false; |
| |
| } |
| |
| }; |
| |
| function getUsefulItems(item, usefulItems) { |
| |
| item.content.forEach(function(child) { |
| if (child.hasAttr('id') || child.isElem('style')) { |
| |
| usefulItems.push(child); |
| child.parentNode = item; |
| |
| } else if (!child.isEmpty()) { |
| |
| child.content = getUsefulItems(child, usefulItems); |
| |
| } |
| }); |
| |
| return usefulItems; |
| } |
